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Answer:
See below
Explanation:
Start with the equation unbalanced: (s)=solid and (l)=liquid
Al(s) + Fe₂O₃(s) ----> Al₂O₃(s) + Fe(l)
Now balance the equation:
2Al(s) + Fe₂O₃(s) ---> Al₂O₃(s) + 2Fe(l)
Make sure you have the same number of atoms on each side
Al = 2
Fe = 2
O = 3